The Sky at Night

Season 23 Episode 12: The Message of Starlight

Not all stars are alike: some are red, some yellow and some white. These different colours show their different temperatures, and by using spectroscopes it is possible to find out what materials exist there. Patrick Moore and Dr Jacqueline Mitton explain what stellar spectroscopy has told us.

Genre:

Documentary, News

Seasons:

70

Episodes:

847

Cast:

Quality:

HD

Duration:

30 min

First Air:

1957

Rating:

8.3